42131141042 has 4 divisors (see below), whose sum is σ = 63196711566. Its totient is φ = 21065570520.

The previous prime is 42131140981. The next prime is 42131141051. The reversal of 42131141042 is 24014113124.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 31708568761 + 10422572281 = 178069^2 + 102091^2 .

It is a junction number, because it is equal to n+sod(n) for n = 42131140999 and 42131141017.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10532785259 + ... + 10532785262.

Almost surely, 2^42131141042 is an apocalyptic number.

42131141042 is a deficient number, since it is larger than the sum of its proper divisors (21065570524).

42131141042 is a wasteful number, since it uses less digits than its factorization.

42131141042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21065570523.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 42131141042 its reverse (24014113124), we get a palindrome (66145254166).

The spelling of 42131141042 in words is "forty-two billion, one hundred thirty-one million, one hundred forty-one thousand, forty-two".